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User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder

Build membership sites with tiered plans, content restriction, drag-&-drop custom registration & login form builder, and built-in payment system.

Plugin slug: user-registration · Description source: WordPress.org

CVE-2026-11966: User Registration & Membership: A security weakness

User Registration & Membership is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is 4.2.3 to < 5.2.3.

PublishedJul 17, 2026
Known safe version5.2.3
Safe version
Jul 17, 2026 CVE-2026-11966
User Registration & Membership: A security weakness
User Registration & Membership is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is 4.2.3 to < 5.2.3.
5.2.3
CVE5.3
NVDPending
Jul 17, 2026 CVE-2026-11961
User Registration & Membership: A security weakness
User Registration & Membership is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 5.2.3.
5.2.3
CVE8.1
NVDPending
Jul 13, 2026 CVE-2026-11964
User Registration & Membership: A security weakness
User Registration & Membership is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 5.2.2.
5.2.2
CVE9.1
NVDPending
Jul 13, 2026 CVE-2026-11963
User Registration & Membership: A security weakness
User Registration & Membership is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 5.2.2.
5.2.2
CVE8.1
NVDPending
Jul 02, 2026 CVE-2026-11965
User Registration & Membership: A security weakness
User Registration & Membership is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 5.2.0.
5.2.0
CVE6.5
NVDPending
Jun 26, 2026 CVE-2026-52701
User Registration: A security weakness
User Registration is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is n/a through 5.2.2.
5.2.3
CVE6.5
NVDPending
Jun 15, 2026 CVE-2026-25425
User Registration: A security weakness
User Registration is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is n/a through 5.1.2.
5.1.3
CVE7.5
NVDPending
May 28, 2026 CVE-2026-7651
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder: A security weakness
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder is affected by a security weakness. Exploitation requires at least subscriber-level access. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 5.1.5.
> 5.1.5
CVE5.3
NVDPending
May 14, 2026 CVE-2026-6145
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder: A security weakness
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 5.1.5.
> 5.1.5
CVE5.3
NVDPending
May 05, 2026 CVE-2026-3601
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder: A security weakness
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder is affected by a security weakness. Exploitation requires at least contributor-level access. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 5.1.4.
> 5.1.4
CVE4.3
NVDPending
Apr 29, 2026 CVE-2026-42652
User Registration: Cross-site scripting
User Registration is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 5.1.5.
5.1.6
CVE7.1
NVDPending
Apr 13, 2026 CVE-2026-6203
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder: An open redirect
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder is affected by an open redirect. Exposure depends on how the affected operation is made reachable by the site. A crafted link can redirect visitors from the trusted site to an attacker-controlled destination. The published affected range is <= 5.1.4.
> 5.1.4
CVE6.1
NVDPending
Mar 25, 2026 CVE-2026-32488
User Registration: Privilege escalation or authentication bypass
User Registration is affected by privilege escalation or authentication bypass. Exposure depends on how the affected operation is made reachable by the site. A successful request can grant permissions or access that the caller should not possess. The published affected range is n/a through <= 4.4.9.
5.1.3
CVE8.1
NVDPending
Mar 24, 2026 CVE-2026-4056
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder: A security weakness
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder is affected by a security weakness. Exploitation requires at least contributor-level access. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 5.1.4.
> 5.1.4
CVE5.4
NVDPending
Feb 26, 2026 CVE-2026-2356
User Registration & Membership – Custom Registration Form, Login Form, and User Profile: A security weakness
User Registration & Membership – Custom Registration Form, Login Form, and User Profile is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE5.3
NVDPending
Feb 26, 2026 CVE-2026-1779
User Registration & Membership: Privilege escalation or authentication bypass
User Registration & Membership is affected by privilege escalation or authentication bypass. The vulnerable path is reachable without authentication. A successful request can grant permissions or access that the caller should not possess.
See mitigation notes
CVE8.1
NVDPending
Jan 22, 2026 CVE-2026-24353
User Registration: A security weakness
User Registration is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE4.3
NVDPending
Jan 22, 2026 CVE-2025-67956
User Registration: A security weakness
User Registration is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE8.2
NVDPending
Jan 10, 2026 CVE-2025-14976
User Registration & Membership – Custom Registration Form Builder, Custom Login Form, User Profile, Content Restriction & Membership Plugin: Cross-site request forgery
User Registration & Membership – Custom Registration Form Builder, Custom Login Form, User Profile, Content Restriction & Membership Plugin is affected by cross-site request forgery. The vulnerable path is reachable without authentication. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.
See mitigation notes
CVE5.4
NVDPending
Sep 06, 2025 CVE-2025-9085
User Registration & Membership: SQL injection
User Registration & Membership is affected by SQL injection. Exploitation requires at least administrator-level access. A successful request can alter database queries and expose or modify WordPress data.
See mitigation notes
CVE4.9
NVDPending
Jul 22, 2025 CVE-2025-6831
User Registration: Cross-site scripting
User Registration is affected by cross-site scripting. Exploitation requires at least contributor-level access. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE6.4
NVDPending
May 06, 2025 CVE-2025-3281
User Registration & Membership – Custom Registration Form, Login Form, and User Profile: A security weakness
User Registration & Membership – Custom Registration Form, Login Form, and User Profile is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE5.3
NVDPending
Apr 24, 2025 CVE-2025-39400
User Registration: Cross-site scripting
User Registration is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE7.1
NVD6.1
Apr 22, 2025 CVE-2025-2594
User Registration & Membership: A security weakness
User Registration & Membership is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE8.1
NVDPending
Apr 14, 2025 CVE-2025-2563
User Registration & Membership: Privilege escalation or authentication bypass
User Registration & Membership is affected by privilege escalation or authentication bypass. The vulnerable path is reachable without authentication. A successful request can grant permissions or access that the caller should not possess.
See mitigation notes
CVE8.1
NVDPending
Apr 12, 2025 CVE-2025-3292
User Registration & Membership – Custom Registration Form, Login Form, and User Profile: A security weakness
User Registration & Membership – Custom Registration Form, Login Form, and User Profile is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE4.3
NVDPending
Apr 12, 2025 CVE-2025-3282
User Registration & Membership – Custom Registration Form, Login Form, and User Profile: A security weakness
User Registration & Membership – Custom Registration Form, Login Form, and User Profile is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE5.3
NVDPending
Mar 27, 2025 CVE-2025-30899
User Registration: Cross-site scripting
User Registration is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE5.9
NVD4.8
Feb 28, 2025 CVE-2025-1511
User Registration & Membership – Custom Registration Form, Login Form, and User Profile: Cross-site scripting
User Registration & Membership – Custom Registration Form, Login Form, and User Profile is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE6.1
NVD6.1
Dec 09, 2024 CVE-2023-29429
User Registration: A security weakness
User Registration is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE5.3
NVD5.3
May 02, 2024 CVE-2024-3295
User Registration – Custom Registration Form, Login Form, and User Profile: A security weakness
User Registration – Custom Registration Form, Login Form, and User Profile is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE6.5
NVDPending
Mar 26, 2024 CVE-2023-27459
User Registration: Code execution
User Registration is affected by code execution. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can run attacker-controlled code in the WordPress hosting account.
See mitigation notes
CVE7.4
NVD8.8
Mar 07, 2024 CVE-2024-1720
User Registration – Custom Registration Form, Login Form, and User Profile: Cross-site scripting
User Registration – Custom Registration Form, Login Form, and User Profile is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE4.7
NVD6.1
Nov 06, 2023 CVE-2023-5228
User Registration: Cross-site scripting
User Registration is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE4.8
NVD4.8
Jul 13, 2023 CVE-2023-3343
User Registration: Code execution
User Registration is affected by code execution. Exploitation requires an authenticated WordPress account. Successful exploitation can run attacker-controlled code in the WordPress hosting account.
See mitigation notes
CVE8.8
NVDPending
Jul 13, 2023 CVE-2023-3342
User Registration: Dangerous file upload
User Registration is affected by dangerous file upload. Exploitation requires an authenticated WordPress account. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise.
See mitigation notes
CVE9.9
NVDPending
Apr 06, 2023 CVE-2023-23987
User Registration: Cross-site scripting
User Registration is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE5.9
NVD4.8
Dec 12, 2022 CVE-2022-3912
User Registration: A security weakness
User Registration is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE7.5
NVD7.5
Oct 04, 2021 CVE-2021-24654
User Registration: A security weakness
User Registration is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE5.4
NVD5.4